Advanced WiringQuestion 67 of 110
Which nameplate value on an air-conditioning unit is used to size the branch-circuit conductors?
a.Maximum overcurrent protection
b.Nameplate horsepower
c.Minimum circuit ampacity
d.Rated-load amps only
Explanation
Conductors are sized to the marked minimum circuit ampacity (MCA); the maximum overcurrent protective device (MOCP) sizes the breaker or fuse.
Law Reference: 2023 NEC 440.4Practice all 110 questions free — no signup required.
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